Willis Austin Chandler

SEC source: 0000905148-25-004222 · form4.xml · nonDerivative · entry 10

Willis Austin Chandler · CIK 0001453104 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 179,266

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 3, 2025.

F5 · price: This transaction was executed in multiple trades at prices ranging from $121.0652 to $122.0423, inclusive. The price reported reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares sold at each separate price within the range set forth in footnote (5) of this Form 4.

SEC source: 0000905148-25-004222 · form4.xml · nonDerivative · entry 9

Willis Austin Chandler · CIK 0001453104 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 179,443

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 3, 2025.

F4 · price: This transaction was executed in multiple trades at prices ranging from $120.00 to $120.9837, inclusive. The price reported reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares sold at each separate price within the range set forth in footnote (4) of this Form 4.

SEC source: 0000905148-25-004222 · form4.xml · nonDerivative · entry 8

Willis Austin Chandler · CIK 0001453104 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Indirect · Brother

Disclosed balance after: 23,066

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 3, 2025.

F3 · price: This transaction was executed in multiple trades at prices ranging from $121.189 to $122.00, inclusive. The price reported reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares sold at each separate price within the range set forth in footnote (3) of this Form 4.

F8 · ownership.nature: Charles F. Willis V 2019 Trust, Austin Willis Trustee.

SEC source: 0000905148-25-004222 · form4.xml · nonDerivative · entry 7

Willis Austin Chandler · CIK 0001453104 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Indirect · Brother

Disclosed balance after: 23,070

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 3, 2025.

F2 · price: This transaction was executed in multiple trades at prices ranging from $120.0694 to $121.0081, inclusive. The price reported reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares sold at each separate price within the range set forth in footnote (2) of this Form 4.

F8 · ownership.nature: Charles F. Willis V 2019 Trust, Austin Willis Trustee.

SEC source: 0000905148-25-004222 · form4.xml · nonDerivative · entry 6

Willis Austin Chandler · CIK 0001453104 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Indirect · Daughter

Disclosed balance after: 2,566

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 3, 2025.

F3 · price: This transaction was executed in multiple trades at prices ranging from $121.189 to $122.00, inclusive. The price reported reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares sold at each separate price within the range set forth in footnote (3) of this Form 4.

F7 · ownership.nature: Wilder Grace Willis 2019 Trust, Austin Willis Trustee.

SEC source: 0000905148-25-004222 · form4.xml · nonDerivative · entry 5

Willis Austin Chandler · CIK 0001453104 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Indirect · Daughter

Disclosed balance after: 2,570

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 3, 2025.

F2 · price: This transaction was executed in multiple trades at prices ranging from $120.0694 to $121.0081, inclusive. The price reported reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares sold at each separate price within the range set forth in footnote (2) of this Form 4.

F7 · ownership.nature: Wilder Grace Willis 2019 Trust, Austin Willis Trustee.

SEC source: 0000905148-25-004222 · form4.xml · nonDerivative · entry 4

Willis Austin Chandler · CIK 0001453104 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Indirect · Son

Disclosed balance after: 2,566

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 3, 2025.

F3 · price: This transaction was executed in multiple trades at prices ranging from $121.189 to $122.00, inclusive. The price reported reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares sold at each separate price within the range set forth in footnote (3) of this Form 4.

F6 · ownership.nature: Rooster A. Willis 2019 Trust, Austin Willis Trustee.

SEC source: 0000905148-25-004222 · form4.xml · nonDerivative · entry 3

Willis Austin Chandler · CIK 0001453104 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Indirect · Son

Disclosed balance after: 2,570

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 3, 2025.

F2 · price: This transaction was executed in multiple trades at prices ranging from $120.0694 to $121.0081, inclusive. The price reported reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares sold at each separate price within the range set forth in footnote (2) of this Form 4.

F6 · ownership.nature: Rooster A. Willis 2019 Trust, Austin Willis Trustee.

SEC source: 0000905148-25-004222 · form4.xml · nonDerivative · entry 2

Willis Austin Chandler · CIK 0001453104 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 182,076

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 3, 2025.

F3 · price: This transaction was executed in multiple trades at prices ranging from $121.189 to $122.00, inclusive. The price reported reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares sold at each separate price within the range set forth in footnote (3) of this Form 4.

SEC source: 0000905148-25-004222 · form4.xml · nonDerivative · entry 1

Willis Austin Chandler · CIK 0001453104 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 182,090

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 3, 2025.

F2 · price: This transaction was executed in multiple trades at prices ranging from $120.0694 to $121.0081, inclusive. The price reported reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares sold at each separate price within the range set forth in footnote (2) of this Form 4.

SEC source: 0000905148-25-003779 · form4.xml · nonDerivative · entry 12

Willis Austin Chandler · CIK 0001453104 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Indirect · Brother

Disclosed balance after: 23,222

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 3, 2025.

F4 · price: This transaction was executed in multiple trades at prices ranging from $127.255 to $128.025, inclusive. The price reported reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares sold at each separate price within the range set forth in footnote (4) of this Form 4.

F7 · ownership.nature: Charles F. Willis V 2019 Trust, Austin Willis Trustee.

SEC source: 0000905148-25-003779 · form4.xml · nonDerivative · entry 11

Willis Austin Chandler · CIK 0001453104 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Indirect · Brother

Disclosed balance after: 23,537

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 3, 2025.

F3 · price: This transaction was executed in multiple trades at prices ranging from $126.125 to $127.12, inclusive. The price reported reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares sold at each separate price within the range set forth in footnote (3) of this Form 4.

F7 · ownership.nature: Charles F. Willis V 2019 Trust, Austin Willis Trustee.

SEC source: 0000905148-25-003779 · form4.xml · nonDerivative · entry 10

Willis Austin Chandler · CIK 0001453104 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Indirect · Brother

Disclosed balance after: 23,726

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 3, 2025.

F2 · price: This transaction was executed in multiple trades at prices ranging from $125.11 to $126.10, inclusive. The price reported reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares sold at each separate price within the range set forth in footnote (2) of this Form 4.

F7 · ownership.nature: Charles F. Willis V 2019 Trust, Austin Willis Trustee.

SEC source: 0000905148-25-003779 · form4.xml · nonDerivative · entry 9

Willis Austin Chandler · CIK 0001453104 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Indirect · Daughter

Disclosed balance after: 2,722

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 3, 2025.

F4 · price: This transaction was executed in multiple trades at prices ranging from $127.255 to $128.025, inclusive. The price reported reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares sold at each separate price within the range set forth in footnote (4) of this Form 4.

F6 · ownership.nature: Wilder Grace Willis 2019 Trust, Austin Willis Trustee.

SEC source: 0000905148-25-003779 · form4.xml · nonDerivative · entry 8

Willis Austin Chandler · CIK 0001453104 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Indirect · Daughter

Disclosed balance after: 3,037

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 3, 2025.

F3 · price: This transaction was executed in multiple trades at prices ranging from $126.125 to $127.12, inclusive. The price reported reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares sold at each separate price within the range set forth in footnote (3) of this Form 4.

F6 · ownership.nature: Wilder Grace Willis 2019 Trust, Austin Willis Trustee.

SEC source: 0000905148-25-003779 · form4.xml · nonDerivative · entry 7

Willis Austin Chandler · CIK 0001453104 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Indirect · Daughter

Disclosed balance after: 3,226

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 3, 2025.

F2 · price: This transaction was executed in multiple trades at prices ranging from $125.11 to $126.10, inclusive. The price reported reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares sold at each separate price within the range set forth in footnote (2) of this Form 4.

F6 · ownership.nature: Wilder Grace Willis 2019 Trust, Austin Willis Trustee.

SEC source: 0000905148-25-003779 · form4.xml · nonDerivative · entry 6

Willis Austin Chandler · CIK 0001453104 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Indirect · Son

Disclosed balance after: 2,722

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 3, 2025.

F4 · price: This transaction was executed in multiple trades at prices ranging from $127.255 to $128.025, inclusive. The price reported reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares sold at each separate price within the range set forth in footnote (4) of this Form 4.

F5 · ownership.nature: Rooster A. Willis 2019 Trust, Austin Willis Trustee.

SEC source: 0000905148-25-003779 · form4.xml · nonDerivative · entry 5

Willis Austin Chandler · CIK 0001453104 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Indirect · Son

Disclosed balance after: 3,037

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 3, 2025.

F3 · price: This transaction was executed in multiple trades at prices ranging from $126.125 to $127.12, inclusive. The price reported reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares sold at each separate price within the range set forth in footnote (3) of this Form 4.

F5 · ownership.nature: Rooster A. Willis 2019 Trust, Austin Willis Trustee.

SEC source: 0000905148-25-003779 · form4.xml · nonDerivative · entry 4

Willis Austin Chandler · CIK 0001453104 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Indirect · Son

Disclosed balance after: 3,226

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 3, 2025.

F2 · price: This transaction was executed in multiple trades at prices ranging from $125.11 to $126.10, inclusive. The price reported reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares sold at each separate price within the range set forth in footnote (2) of this Form 4.

F5 · ownership.nature: Rooster A. Willis 2019 Trust, Austin Willis Trustee.

SEC source: 0000905148-25-003779 · form4.xml · nonDerivative · entry 3

Willis Austin Chandler · CIK 0001453104 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 182,663

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 3, 2025.

F4 · price: This transaction was executed in multiple trades at prices ranging from $127.255 to $128.025, inclusive. The price reported reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares sold at each separate price within the range set forth in footnote (4) of this Form 4.

SEC source: 0000905148-25-003779 · form4.xml · nonDerivative · entry 2

Willis Austin Chandler · CIK 0001453104 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 183,853

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 3, 2025.

F3 · price: This transaction was executed in multiple trades at prices ranging from $126.125 to $127.12, inclusive. The price reported reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares sold at each separate price within the range set forth in footnote (3) of this Form 4.

SEC source: 0000905148-25-003779 · form4.xml · nonDerivative · entry 1

Willis Austin Chandler · CIK 0001453104 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 184,567

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 3, 2025.

F2 · price: This transaction was executed in multiple trades at prices ranging from $125.11 to $126.10, inclusive. The price reported reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares sold at each separate price within the range set forth in footnote (2) of this Form 4.

SEC source: 0000905148-25-003503 · form4.xml · nonDerivative · entry 12

Willis Austin Chandler · CIK 0001453104 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Indirect · Brother

Disclosed balance after: 24,122

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 3, 2025.

F6 · ownership.nature: Charles F. Willis V 2019 Trust, Austin Willis Trustee.

SEC source: 0000905148-25-003503 · form4.xml · nonDerivative · entry 11

Willis Austin Chandler · CIK 0001453104 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Indirect · Brother

Disclosed balance after: 24,123

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 3, 2025.

F3 · price: This transaction was executed in multiple trades at prices ranging from $136.06 to $136.87, inclusive. The price reported reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares sold at each separate price within the range set forth in footnote (3) of this Form 4.

F6 · ownership.nature: Charles F. Willis V 2019 Trust, Austin Willis Trustee.

SEC source: 0000905148-25-003503 · form4.xml · nonDerivative · entry 10

Willis Austin Chandler · CIK 0001453104 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Indirect · Brother

Disclosed balance after: 24,762

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 3, 2025.

F2 · price: This transaction was executed in multiple trades at prices ranging from $135.06 to $136.05, inclusive. The price reported reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares sold at each separate price within the range set forth in footnote (2) of this Form 4.

F6 · ownership.nature: Charles F. Willis V 2019 Trust, Austin Willis Trustee.

SEC source: 0000905148-25-003503 · form4.xml · nonDerivative · entry 9

Willis Austin Chandler · CIK 0001453104 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Indirect · Daughter

Disclosed balance after: 3,622

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 3, 2025.

F5 · ownership.nature: Wilder Grace Willis 2019 Trust, Austin Willis Trustee.

SEC source: 0000905148-25-003503 · form4.xml · nonDerivative · entry 8

Willis Austin Chandler · CIK 0001453104 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Indirect · Daughter

Disclosed balance after: 3,623

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 3, 2025.

F3 · price: This transaction was executed in multiple trades at prices ranging from $136.06 to $136.87, inclusive. The price reported reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares sold at each separate price within the range set forth in footnote (3) of this Form 4.

F5 · ownership.nature: Wilder Grace Willis 2019 Trust, Austin Willis Trustee.

SEC source: 0000905148-25-003503 · form4.xml · nonDerivative · entry 7

Willis Austin Chandler · CIK 0001453104 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Indirect · Daughter

Disclosed balance after: 4,262

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 3, 2025.

F2 · price: This transaction was executed in multiple trades at prices ranging from $135.06 to $136.05, inclusive. The price reported reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares sold at each separate price within the range set forth in footnote (2) of this Form 4.

F5 · ownership.nature: Wilder Grace Willis 2019 Trust, Austin Willis Trustee.

SEC source: 0000905148-25-003503 · form4.xml · nonDerivative · entry 6

Willis Austin Chandler · CIK 0001453104 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Indirect · Son

Disclosed balance after: 3,622

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 3, 2025.

F4 · ownership.nature: Rooster A. Willis 2019 Trust, Austin Willis Trustee.

SEC source: 0000905148-25-003503 · form4.xml · nonDerivative · entry 5

Willis Austin Chandler · CIK 0001453104 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Indirect · Son

Disclosed balance after: 3,623

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 3, 2025.

F3 · price: This transaction was executed in multiple trades at prices ranging from $136.06 to $136.87, inclusive. The price reported reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares sold at each separate price within the range set forth in footnote (3) of this Form 4.

F4 · ownership.nature: Rooster A. Willis 2019 Trust, Austin Willis Trustee.

SEC source: 0000905148-25-003503 · form4.xml · nonDerivative · entry 4

Willis Austin Chandler · CIK 0001453104 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Indirect · Son

Disclosed balance after: 4,262

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 3, 2025.

F2 · price: This transaction was executed in multiple trades at prices ranging from $135.06 to $136.05, inclusive. The price reported reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares sold at each separate price within the range set forth in footnote (2) of this Form 4.

F4 · ownership.nature: Rooster A. Willis 2019 Trust, Austin Willis Trustee.

SEC source: 0000905148-25-003503 · form4.xml · nonDerivative · entry 3

Willis Austin Chandler · CIK 0001453104 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 186,063

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 3, 2025.

SEC source: 0000905148-25-003503 · form4.xml · nonDerivative · entry 2

Willis Austin Chandler · CIK 0001453104 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 186,065

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 3, 2025.

F3 · price: This transaction was executed in multiple trades at prices ranging from $136.06 to $136.87, inclusive. The price reported reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares sold at each separate price within the range set forth in footnote (3) of this Form 4.

SEC source: 0000905148-25-003503 · form4.xml · nonDerivative · entry 1

Willis Austin Chandler · CIK 0001453104 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 188,480

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 3, 2025.

F2 · price: This transaction was executed in multiple trades at prices ranging from $135.06 to $136.05, inclusive. The price reported reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares sold at each separate price within the range set forth in footnote (2) of this Form 4.

SEC source: 0000905148-25-003293 · form4.xml · nonDerivative · entry 8

Willis Austin Chandler · CIK 0001453104 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Indirect · Brother

Disclosed balance after: 25,022

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 3, 2025.

F3 · price: This transaction was executed in multiple trades at prices ranging from $145.37 to $146.035, inclusive. The price reported reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares sold at each separate price within the range set forth in footnote (3) of this Form 4.

F6 · ownership.nature: Charles F. Willis V 2019 Trust, Austin Willis Trustee.

SEC source: 0000905148-25-003293 · form4.xml · nonDerivative · entry 7

Willis Austin Chandler · CIK 0001453104 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Indirect · Brother

Disclosed balance after: 25,259

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 3, 2025.

F2 · price: This transaction was executed in multiple trades at prices ranging from $144.335 to $145.33, inclusive. The price reported reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares sold at each separate price within the range set forth in footnote (2) of this Form 4.

F6 · ownership.nature: Charles F. Willis V 2019 Trust, Austin Willis Trustee.

SEC source: 0000905148-25-003293 · form4.xml · nonDerivative · entry 6

Willis Austin Chandler · CIK 0001453104 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Indirect · Daughter

Disclosed balance after: 4,522

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 3, 2025.

F3 · price: This transaction was executed in multiple trades at prices ranging from $145.37 to $146.035, inclusive. The price reported reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares sold at each separate price within the range set forth in footnote (3) of this Form 4.

F5 · ownership.nature: Wilder Grace Willis 2019 Trust, Austin Willis Trustee.

SEC source: 0000905148-25-003293 · form4.xml · nonDerivative · entry 5

Willis Austin Chandler · CIK 0001453104 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Indirect · Daughter

Disclosed balance after: 4,759

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 3, 2025.

F2 · price: This transaction was executed in multiple trades at prices ranging from $144.335 to $145.33, inclusive. The price reported reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares sold at each separate price within the range set forth in footnote (2) of this Form 4.

F5 · ownership.nature: Wilder Grace Willis 2019 Trust, Austin Willis Trustee.

SEC source: 0000905148-25-003293 · form4.xml · nonDerivative · entry 4

Willis Austin Chandler · CIK 0001453104 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Indirect · Son

Disclosed balance after: 4,522

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 3, 2025.

F3 · price: This transaction was executed in multiple trades at prices ranging from $145.37 to $146.035, inclusive. The price reported reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares sold at each separate price within the range set forth in footnote (3) of this Form 4.

F4 · ownership.nature: Rooster A. Willis 2019 Trust, Austin Willis Trustee.

SEC source: 0000905148-25-003293 · form4.xml · nonDerivative · entry 3

Willis Austin Chandler · CIK 0001453104 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Indirect · Son

Disclosed balance after: 4,759

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 3, 2025.

F2 · price: This transaction was executed in multiple trades at prices ranging from $144.335 to $145.33, inclusive. The price reported reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares sold at each separate price within the range set forth in footnote (2) of this Form 4.

F4 · ownership.nature: Rooster A. Willis 2019 Trust, Austin Willis Trustee.

SEC source: 0000905148-25-003293 · form4.xml · nonDerivative · entry 2

Willis Austin Chandler · CIK 0001453104 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 189,463

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 3, 2025.

F3 · price: This transaction was executed in multiple trades at prices ranging from $145.37 to $146.035, inclusive. The price reported reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares sold at each separate price within the range set forth in footnote (3) of this Form 4.

SEC source: 0000905148-25-003293 · form4.xml · nonDerivative · entry 1

Willis Austin Chandler · CIK 0001453104 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 190,359

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 3, 2025.

F2 · price: This transaction was executed in multiple trades at prices ranging from $144.335 to $145.33, inclusive. The price reported reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares sold at each separate price within the range set forth in footnote (2) of this Form 4.

SEC source: 0000905148-25-002731 · form4.xml · nonDerivative · entry 5

Willis Austin Chandler · CIK 0001453104 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 192,863

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 5, 2024.

SEC source: 0000905148-25-002731 · form4.xml · nonDerivative · entry 4

Willis Austin Chandler · CIK 0001453104 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 192,963

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 5, 2024.

SEC source: 0000905148-25-002731 · form4.xml · nonDerivative · entry 3

Willis Austin Chandler · CIK 0001453104 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 193,163

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 5, 2024.

F4 · price: This transaction was executed in multiple trades at prices ranging from $134.92 to $135.83, inclusive. The price reported reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares sold at each separate price within the range set forth in footnote (4) of this Form 4.

SEC source: 0000905148-25-002731 · form4.xml · nonDerivative · entry 2

Willis Austin Chandler · CIK 0001453104 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 195,281

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 5, 2024.

F3 · price: This transaction was executed in multiple trades at prices ranging from $133.905 to $134.90, inclusive. The price reported reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares sold at each separate price within the range set forth in footnote (3) of this Form 4.

SEC source: 0000905148-25-002731 · form4.xml · nonDerivative · entry 1

Willis Austin Chandler · CIK 0001453104 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 195,581

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 5, 2024.

F2 · price: This transaction was executed in multiple trades at prices ranging from $132.77 to $133.68, inclusive. The price reported reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares sold at each separate price within the range set forth in footnote (2) of this Form 4.

SEC source: 0000905148-25-002342 · form4.xml · nonDerivative · entry 1

Willis Austin Chandler · CIK 0001453104 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 196,181

F1 · kind: The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 5, 2024.

SEC source: 0000905148-25-001993 · form4.xml · nonDerivative · entry 7

Willis Austin Chandler · CIK 0001453104 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 199,631

F7 · shares: Gift of shares from Austin C. Willis to the American Fund for LSE.

SEC source: 0000905148-25-001993 · form4.xml · nonDerivative · entry 6

Willis Austin Chandler · CIK 0001453104 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 199,744

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 5, 2024.